3185134968 has 32 divisors (see below), whose sum is σ = 7964812800. Its totient is φ = 1061448288.

The previous prime is 3185134961. The next prime is 3185134993. The reversal of 3185134968 is 8694315813.

It is a Cunningham number, because it is equal to 56437²-1.

It is a super-2 number, since 2×3185134968² = 20290169528752722048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3185134961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98763 + ... + 126981.

It is an arithmetic number, because the mean of its divisors is an integer number (248900400).

Almost surely, 2^3185134968 is an apocalyptic number.

It is an amenable number.

3185134968 is an abundant number, since it is smaller than the sum of its proper divisors (4779677832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3185134968 is a wasteful number, since it uses less digits than its factorization.

3185134968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32931 (or 32927 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 3185134968 is about 56436.9999911406. Note that the first 5 decimals coincide. The cubic root of 3185134968 is about 1471.3272551527.

The spelling of 3185134968 in words is "three billion, one hundred eighty-five million, one hundred thirty-four thousand, nine hundred sixty-eight".